ReviewsFrequency Control Parts

Rockville REQ231 Dual 31 Band 1/3 Octave Graphic Equalizer+3 Way Mono Crossover

  • ...z effective equalization range. Constant Q filters. Selectable 6dB or 12dB cut or boost range.
  • Output level LEDs (-10 to +17 dB). Bypass switch with status LED. Ground lift switch. Balanced XLR input/output. Subwoofer out. Channels: 2 (stereo). Connectors: XLR balanced inputs and outputs. Bands: 31 per channel. Frequency Centers: 20 Hz, 25 Hz, 31.5 Hz, 40 Hz, 50 Hz, 63 Hz, 80 Hz, 100 Hz, 125 Hz, 160 Hz, 200 Hz, 250 Hz, 315 Hz, 400 Hz, 500 Hz, 630 Hz, 800 Hz, 1 kHz, 1.25 kHz, 1.5 kHz, 2 kHz, 2.5 kHz, 3.15 kHz, 4 kHz, 5 kHz, 6.3 kHz, 8 kHz, 10 kHz, 12.5 kHz, 16 kHz, 20 kHz.
  • Control Range: Selectable +/-12dB 0r +/-6dB. Input Impedance: 50k ohms. Output Impedance: 600 ohms. Maximum Output Level: +21dB. Level Control: +/- 10 dB. Signal to Noise: >93 dB. Distortion: 0.005%. Roll-off filters: 18dB/octave, Butterworth. Power Consumption: 15 watts. Weight Unpacked: 7.00 lbs. Weight Packed: 9 lbs. Width Packed: 5.87". Height Packed: 20. 5". Depth Packed: 9.62". Features of RX230: RockvilIe RX230 2-way Stereo / 3-way Mono rack mountable crossover.
  • Ability to mix 2 channels output. 24dB/Octave filters. Mute switches. Channel Gain Control: 0 to +12 dB. Low Frequency Level Control: -to +6 dB. High Frequency Level Control: -to +6 dB. Low Frequency to High Frequen....
Check Stock

weelye 2.4G Bluetooth Remote Control and JR-RX-12V Four-Sided Socket Receiver Kit Kids Powered Ride On Car ,Controller Control Box Accessories for Children Electric Ride On Car Replacement Parts

  • Model: JR1958RX-2S 7PSocket 12V control box, JR1958RX-2S 7P and JR1758RX-2S 7P sockets are the same and compatible,.
  • The product is suitable for certain children's riding toys, please ensure that the purchased parts are the same in appearance as the original parts.
  • 2.4G Bluetooth remote control and JR1958RX-2S control box kit, the product has a slow start function, no need to install an additional slow starter..
  • Please re-match the frequency according to the instructions before use. The power switch of the vehicle must be turned off first. Then press and hold the two buttons “`▲” and “¦” for 3 seconds to start matching the code, the first LED flashes, now turn on the power switch of the vehicle. The red indicator light stops flashing and succeeds..
Check Stock

Alpha Group Sky Rover Outlaw RC Helicopter Indoor Remote Control Vehicle with Gyro & Lights, Red, Standard

  • Controller requires 3AAA batteries (not included).
Check Stock

HUABAN 1 Pack Crystal Oscillator Tester 1Hz-50MHz Frequency Counter Tester Meter Cymometer Measurement Tester Module LED DIY Kit

  • Product Type: Crystal Oscillator Frequency Counter.
  • Crystal Test Range: about 4MHz-48MHz(not include 32.768KHZ).
  • PCB Size: 80*53*2mm. Net weight : about 39g.
  • Package Include: 1 set Frequency Counter Tester Parts( Attention: the products are in parts , the buyers need to assemble them).
Check Stock

VEVOR Ultrasonic Cleaner 58L-130L Lab Industrial Ultrasonic Cleaners Ultrasonic Parts Cleaner with Heater Timer Professional Cleaning Machine for Industrial Business Using (27 L)

  • Premium Quality: Large ultrasonic cleaner, water tank capacity: 77L.
  • Frequency: 40KHz. The cleaning tank is made of industrial-grade stainless steel..
  • Cleaning Ability: The ultrasonic vibration processing method is used. The built-in powerful transducer can enhance Ultrasonic power. The cleaning frequency of 40KHz can remove the stains on the items in a few seconds, improve the cleaning efficiency, and do not damage the items..
  • Heating Function: The heating temperature of this digital ultrasonic cleaner: 0-80 ℃(adjustable). Heating can reduce the adhesion strength of oil and wax to specific materials to be cleaned, thereby improving the cleaning effect..
  • Digital Control Panel: Digital timer and temperature display for precise washing time and temperature control. The knob power can be adjusted. The Ultrasonic Power is adjusted for correct cleaning to prevent excessive force from damaging the surface of precision parts..
  • User-Friendly Design: This professional ultrasonic cleaner is designed for better use: with a valve and 1-meter long pipe for water discharge. There are also stainless steel cleaning baskets, heat dissipation design, mobile casters, and stainless steel lids..
Check Stock

Anbull 8KW Diesel Air Heater, 12V All in One Parking Heater, Single Air Outlet Diesel Heater with LCD Remote Control Muffler Silencer and LCD Display for RV Trucks Bus and Trail

  • 【COMPLETE ACCESSORY】- With a complete mounting kit - including all mounting screws, which means all installation kit and instruction are included. Making it easy to install and use.Also with a muffler..
  • 【ALUMINUM BODY】- The combustion chamber, the base and the heat-dissipating scale are all sand-blasted aluminum parts. It is integrally formed, featuring with uniform heat dissipation, fast heat..
  • 【ENERGY SAVING】- The optimized frequency conversion ECU accurately controls the injection frequency of the oil pump, and controls the intake air amount with the precise speed to extend the service life of the heater..
  • 【LOW NOISE】- Effectively reduce noise through blower speed control, silent fan, silent oil pump. The silent fan sleeps peacefully, and the metering oil pump adopts an improved low frequency pulse with low vibration..
  • 【WIDE APPLICATION】- This diesel air heater can be applied for heating the cab of various diesel mechanical vehicles such as cars, buses, RVs, trucks, engineering vehicles, etc..
Check Stock

Duokon Car Mobile DVD TV Receiver Analog TV Tuner Strong Signal Box with Antenna Remote Controller

  • more clear and stable ----- This model use the IIC bus control technical and frequency and phase lock loop control technology, makes picture quality more clear and stable, non-drift phenomenon, can receive wired and wireless analog TV signals.
  • Receive TV format -----Receive TV format including PAL, SECAM, NTSC and TV sound System (DK, I, BG, M)..
  • portable DVD ----- Connect your portable DVD or monitor and watch analog TV..
  • Easy to operate ----- Receive closed-circuit television signal or outdoor signal, With OSD menu display function, mor....
Check Stock

ALIECOM Portable Heating Pad Plus Massage for Menstrual Period Cramps, USB Electric Far-infrared Waist Warming Belt for Abdomen, Stomach, Neck and Shoulders, Back Pain Relief (Gray)

  • ...3℉, 131℉, 149℉), which can be adjusted freely as need. Intelligent temperature control system makes the waist heating pad work effectively within the set temperature range, No risk of over-heating, electric shock or short circuit. The warming belt with Auto Shut Off function is safe to use.
  • Adjustable Massage Frequency – 3 vibration frequency setting(Low, Medium, High), brings you a customizable best massage as desired. It helps relieve muscle pain, tension, stress. It is more effective to use massage and heating function together. Adjustable velcro and elastic belt (40″+27″ extension belt), fit for most people waist width(maximum 58″) and all body parts.
  • Gift Idea – Studies show that 99% female have menstrual cramps, and 96% adults are suffering from pains in various parts of the body which happened from busy work, injury, etc. ALIECOM heating belt is a sweet heart gift for mum, wife, girlfriend, best friends, girls, sister to relieve period pain, also great for those who have pains in lower back, waist, neck, shoulder, knee and legs.
Check Stock

Agatige Frequency to Voltage Converter Module, 0-10Khz to 0-10V F/V Digital to Analog Converter Conversion Module

  • FUNCTION: The frequency of the pulse signal 0HZ to 10KHZ converts into an analog voltage signal of 0-10V. Can be used to interface switching between the PLC and the frequency converter, or interface matching such as the matching of motion control card and inverter control..
  • FEATURES: Input pulse level is 5V 12V 24V, which can be directly entered without serial resistor. The input signal frequency must maintain more than 0.5 seconds..
  • ANTI-INTERFERENCE: Conversion module's signal inputs with optical coupling isolation, which can ensure that the capability of anti-interfence..
  • APPLICATION: Frequency to Voltage Converter Module Can be used for industrial control panel PLC or other signal interface switching.
  • MAJOR SPECIFICATIONS: Output current: 5MA,Voltage: 0-10V, Input pulse level: 5V 12V 24V, Frequency: 0 to 10KHZ..
Check Stock

WUPYI Professional Vortex Tube Air Conditioner Vest Waistcoat Compressed Air Cooling Vest Work Vest

  • ★No moving parts, portable, lightweight, inexpensive..
  • ★No danger of sparks flash, no wireless/radio frequency interference..
  • ★Instant on/off, easy to control, cooling does not produce any waste..
  • ★This air conditioning clothing can greatly improve the work of efficiency, reduce thermal stress and enhance the safety of work..
  • ★Suitable for high temperature, high fever, high humidity, specially for cold labor protection environments. Such as metallurgy, forging, welding, glass, fire, petroleum, power plant, boiler plant, sandblasting, paint baking, and so on..
Check Stock

Adafruit 2214 12 MHz Crystal + 20pF capacitors

  • Size(Each One) : 11 x 3 mm/ 0.43" x 0.12"(L*W).
  • Package Content : 20 Pcs x Crystal Oscillator.
Check Stock